E-cigarette mouthpiece



FIG. 1 is a perspective view of an e-cigarette mouthpiece.

FIG. 2 is a side view thereof; and,

FIG. 3 is a front view thereof.

The broken lines in the drawings depict the environment of the e-cigarette mouthpiece and form no part of the claimed design.

The rear view forms no part of the design and is omitted. 

CLAIM I claim an ornamental design for the e-cigarette mouthpiece, substantially as shown and described. 